钆增强磁共振成像在术前脑膜瘤栓塞评估中的应用
Gadolinium-enhanced MR in the evaluation of preoperative meningioma embolization.
作者信息
Grand C, Bank W O, Balériaux D, Matos C, Dewitte O, Brotchi J, Delcour C
机构信息
Department of Neuroradiology, Hôpital Universitaire Erasme, Université Libre de Bruxelles, Belgium.
出版信息
AJNR Am J Neuroradiol. 1993 May-Jun;14(3):563-9.
PURPOSE
To evaluate the use of postembolization gadolinium-enhanced MR imaging as a means to judge the efficacy of tumor embolization.
METHODS
Fifteen patients with meningiomas were prospectively studied. The following data were evaluated for each tumor: the percentage of vascular supply to the tumor arising from the internal and external carotid arteries; the percentage of the tumor embolized as judged by angiography, by MR imaging, and by CT scanning; the estimated blood loss according to the surgeon; and histologic evidence of necrosis as seen by the neuropathologist.
RESULTS
The data reveal an excellent correlation between the amount of tumor embolized as estimated by MR and both the estimated blood loss at time of surgery and the presence of histological necrosis in the specimen.
CONCLUSIONS
Postembolization gadolinium-enhanced MR is an excellent means to evaluate the efficacy of an embolization and offers certain advantages over CT and angiography. One important advantage of this technique lies in the fact that it can be performed immediately postembolization.
目的
评估栓塞后钆增强磁共振成像作为判断肿瘤栓塞疗效的一种方法的应用价值。
方法
对15例脑膜瘤患者进行前瞻性研究。对每个肿瘤评估以下数据：肿瘤血供中来自颈内动脉和颈外动脉的比例；通过血管造影、磁共振成像和CT扫描判断的肿瘤栓塞比例；外科医生估计的失血量；神经病理学家观察到的坏死组织学证据。
结果
数据显示，磁共振估计的肿瘤栓塞量与手术时估计的失血量以及标本中组织学坏死的存在之间具有良好的相关性。
结论
栓塞后钆增强磁共振成像为评估栓塞疗效的极佳方法，与CT和血管造影相比具有一定优势。该技术的一个重要优势在于它可在栓塞后立即进行。
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